021cszp.com - robtex.com

021cszp.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:186🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:8158🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.1.134Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.88🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchelsea.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26b1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A2803:f800:50::6ca2:c2b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchelsea.ns.cloudflare.com
A2a06:98c1:50::ac40:22b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchelsea.ns.cloudflare.com
A108.162.194.177🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A162.159.38.177Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A172.64.34.177🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
NSzod.ns.cloudflare.com
A2606:4700:58::adf5:3bfa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzod.ns.cloudflare.com
A2803:f800:50::6ca2:c1fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzod.ns.cloudflare.com
A2a06:98c1:50::ac40:21fa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzod.ns.cloudflare.com
A108.162.193.250🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-108-162-193-250.defastlink.net
A172.64.33.250🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-33-250.defastlink.net
A173.245.59.250🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-173-245-59-250.defastlink.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.1.134, 172.67.129.88
IPv62606:4700:3030::6815:186, 2606:4700:3032::ac43:8158
SOAchelsea.ns.cloudflare.comdns@cloudflare.com serial=2399317090

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

021cszp.com

DNS History

16 records (6 active, 10 former)

2017201820192020202120222023202420252026NSchelsea.ns.cloudflare.comzod.ns.cloudflare.comns1.ezdnscenter.comns1.kouming.netns2.ezdnscenter.comns2.kouming.netns3.ezdnscenter.comns4.ezdnscenter.comns5.ezdnscenter.comns6.ezdnscenter.comA104.21.1.134172.67.129.882606:4700:3030::6815:1862606:4700:3032::ac43:815815.197.240.2058.64.140.252
●NSchelsea.ns.cloudflare.com2026-03-21 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
● 2026-03-21 19:45:48
○NSns1.ezdnscenter.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns1.kouming.net2026-03-17 → 2026-03-17 · 3 obs
○ 2016-12-18 22:43:22
● 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns2.ezdnscenter.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns2.kouming.net2026-03-17 → 2026-03-17 · 3 obs
○ 2016-12-18 22:43:22
● 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns3.ezdnscenter.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns4.ezdnscenter.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns5.ezdnscenter.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
○NSns6.ezdnscenter.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
●NSzod.ns.cloudflare.com2026-03-21 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
● 2026-03-21 19:45:48
●A104.21.1.1342026-03-21 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
● 2026-03-21 19:45:48
○A15.197.240.202026-03-17 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48
●A172.67.129.882026-03-21 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
● 2026-03-21 19:45:48
●A2606:4700:3030::6815:1862026-03-21 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
● 2026-03-21 19:45:48
●A2606:4700:3032::ac43:81582026-03-21 → 2026-03-21 · 2 obs
○ 2026-03-17 20:17:00
● 2026-03-21 19:45:48
○A58.64.140.2522016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 22:43:22
○ 2026-03-17 20:17:00
○ 2026-03-21 19:45:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...-
021cszp.comzod.ns.cloudflare.com, chelsea.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.193.250

NS records: zod.ns.cloudflare.com, chelsea.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 021cszp.com (unsigned zone)

⏱️ Timing

Total: 364ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.129.88, 104.21.1.134
AAAA22606:4700:3032::ac43:8158, 2606:4700:3030::6815:186
NS2chelsea.ns.cloudflare.com, zod.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chelsea.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zod.ns.cloudflare.com, zod.ns.cloudflare.com, zod.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by 021cszp.com: 2606:4700:3030::6815:186, 2606:4700:3032::ac43:8158, 104.21.1.134 and 172.67.129.88.

other host names including www.www-8483.com, apoioterapeutico.pt, hcyc.com.tw, handan918.com and fsab.ro share IP numbers with 021cszp.com.

Name Servers

021cszp.com is delegated to two name servers chelsea.ns.cloudflare.com and zod.ns.cloudflare.com.

021cszp.com shares the same name server setup as other domains, for instance njsn6.com, dalsarchery.co.uk, china-omas.com, czcyjs.com and 645lotto.net.

021cszp.com at least partially shares name servers with other domains, for instance poroand.com, loginlive-dns.com, bpoministry.com, eggshell.co.uk and petitionpublique.fr.

these name servers are commonly used alongside dale.ns.cloudflare.com.

Host names with six IP numbers:

Host name chelsea.ns.cloudflare.com points to: 2606:4700:50::a29f:26b1, 2803:f800:50::6ca2:c2b1, 2a06:98c1:50::ac40:22b1, 108.162.194.177, 162.159.38.177 and 172.64.34.177.

Host name zod.ns.cloudflare.com points to: 2606:4700:58::adf5:3bfa, 2803:f800:50::6ca2:c1fa, 2a06:98c1:50::ac40:21fa, 108.162.193.250, 172.64.33.250 and 173.245.59.250.